Underground water is found in:

1. soil
2. subsoil
3. underground streams
4. All of the above.

Assertion (A): Waves are oscillatory movements on the surface of the sea.

Reason (R): Waves result from the action of wind on the surface of the sea.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

The difference in height between high tide and low tide is called …………….

1. Ebb
2. Tidal wave
3. Tidal range
4. Tidal crest

Apogee : Earth-moon distance …………… :: Perigee : Earth-moon distance ……………

1. maximum, minimum
2. minimum, maximum
3. equal, equal
4. All of the above.